ArticleBioMed research international2013
Molybdate reduction to molybdenum blue by an Antarctic bacterium.
Article in BioMed research international, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 48 citations in OpenAlex.
- Albidovulum molybdatiresistens sp. nov., a molybdate-resistant bacterium isolated from river water.Antonie van Leeuwenhoek · 2026Article
- Genomic and phenotypic characterization of AntarcticFrontiers in microbiology · 2026Article
- Antarctic heavy metal pollution and remediation efforts: state of the art of research and scientific publications.Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] · 2023Review
- Microbiological Reduction of Molybdenum to Molybdenum Blue as a Sustainable Remediation Tool for Molybdenum: A Comprehensive Review.International journal of environmental research and public health · 2021Review
- Optimizing the Reduction of Molybdate by Two Novel Thermophilic Bacilli Isolated from Sinai, Egypt.Current microbiology · 2020Article
- Statistical optimisation of growth conditions and diesel degradation by the Antarctic bacterium, Rhodococcus sp. strain AQ5‒07.Extremophiles : life under extreme conditions · 2020Article
- Characterisation of the simultaneous molybdenum reduction and glyphosate degradation by3 Biotech · 2018Article
- Article
- Determination of element composition and extraterrestrial material occurrence in moss and lichen samples from King George Island (Antarctica) using reactor neutron activation analysis and SEM microscopy.Environmental science and pollution research international · 2018Article
- Isolation and Characterisation of a Molybdenum-reducing and Metanil Yellow Dye-decolourisingTropical life sciences research · 2017Article
- Phylogenetic relationship of phosphate solubilizing bacteria according to 16S rRNA genes.BioMed research international · 2015Article
- Complete genome sequence of the molybdenum-resistant bacterium Bacillus subtilis strain LM 4-2.Standards in genomic sciences · 2015Article
Corrections and comments
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Authors and funding
5 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A molybdenum-reducing bacterium from Antarctica has been isolated. The bacterium converts sodium molybdate or Mo⁶⁺ to molybdenum blue (Mo-blue). Electron donors such as glucose, sucrose, fructose, and lactose supported molybdate reduction. Ammonium sulphate was the best nitrogen source for molybdate reduction. Optimal conditions for molybdate reduction were between 30 and 50 mM molybdate, between 15 and 20°C, and initial pH between 6.5 and 7.5. The Mo-blue produced had a unique absorption spectrum with a peak maximum at 865 nm and a shoulder at 710 nm. Respiratory inhibitors such as antimycin A, sodium azide, potassium cyanide, and rotenone failed to inhibit the reducing activity. The Mo-reducing enzyme was partially purified using ion exchange and gel filtration chromatography. The partially purified enzyme showed optimal pH and temperature for activity at 6.0 and 20°C, respectively. Metal ions such as cadmium, chromium, copper, silver, lead, and mercury caused more than 95% inhibition of the molybdenum-reducing activity at 0.1 mM. The isolate was tentatively identified as Pseudomonas sp. strain DRY1 based on partial 16s rDNA molecular phylogenetic assessment and the Biolog microbial identification system. The characteristics of this strain would make it very useful in bioremediation works in the polar and temperate countries.
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